ISODUR® PBT by Sirmax is a water insoluble, odorless, semi-crystalline, anti-friction polybutylene terephthalate (PBT) grade. Possesses good hardness, stiffness, low hygroscopicity and high thermal stability. Exhibits abrasion-, stress cracking-, excellent chemical and heat resistance. Provides exceptional electrical properties, very good processability and dimensional stability under heat. Is suitable for processing by injection molding. ISODUR® PBT is recommended for automotive exterior and technical parts.
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ISODUR® PBT properties
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Decomposition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Ignition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
ISODUR® PBT Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Barrel Screw | Visible After Login | Visible After Login | |
| Counter Pressure | Visible After Login | Visible After Login | |
| Cushion | Visible After Login | Visible After Login | |
| Drying Temperature | Visible After Login | Visible After Login | |
| Drying Time | Visible After Login | Visible After Login | |
| Feed Zone Temperature | Visible After Login | Visible After Login | |
| Injection Pressure | Visible After Login | Visible After Login | |
| Injection Speed | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Metering Diameter | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |
| Nozzle Temperature | Visible After Login | Visible After Login | |
| Post Pressure | Visible After Login | Visible After Login | |
| Post Pressure Time | Visible After Login | Visible After Login | |
| Recycle | Visible After Login | Visible After Login | |
| Screw Speed | Visible After Login | Visible After Login | |
| Shrinkage | Visible After Login | Visible After Login | |
| Zone 1 Temperature | Visible After Login | Visible After Login | |
| Zone 2 Temperature | Visible After Login | Visible After Login | |
| Zone 3 Temperature | Visible After Login | Visible After Login | |
| Zone 4 Temperature | Visible After Login | Visible After Login | |
| Zone 5 Temperature | Visible After Login | Visible After Login | |